select nebulae.*,if(Name='',concat('DITL Nebulae #',nebulae.ListID),Name) as Name,nebulaeimages.ImageName,refs.* from nebulae left join nebulaeimages on nebulaeimages.ListID=nebulae.ListID left join refs on refs.RefNumber=nebulae.Ref where left(if(Name='',concat('DITL Nebulae #',nebulae.ListID),Name),1)=:Name order by Name Asc;

A nebula located near the Demilitarized Zone between the Federation and Cardassia. It is between the Bajor and Dreon systems, requiring ships travelling between the two to detour around it. In 2372 Captain Sisko questioned Kasidy Yates on the routes she took around the nebula.2